| Value | Category | Cases | |
|---|---|---|---|
| 0 | 226 |
71.3%
|
|
| 1 | 85 |
26.8%
|
|
| 2 | 3 |
0.9%
|
|
| 4 | 1 |
0.3%
|
|
| 5 | 1 |
0.3%
|
|
| 6 | 1 |
0.3%
|
|
| Sysmiss | 6640 |